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With the help of two examples name the map and reduce function purpose
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Can MapReduce program be written in any language other than Java?
What is difference between a MapReduce InputSplit and HDFS block
Define speculative execution?
What is Text Input Format?
Why the output of map tasks are stored (spilled ) into local disc and not in hdfs?
What are the various InputFormats in Hadoop?
What do you understand by the term Straggler ?
How is Spark not quite the same as MapReduce? Is Spark quicker than MapReduce?
Explain about the partitioning, shuffle and sort phase in MapReduce?
What is the job of blend () and repartition () in Map Reduce?
How can we assure that the values regarding a particular key goes to the same reducer?
What are the configuration parameters in the 'MapReduce' program?
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